8001420808 has 16 divisors (see below), whose sum is σ = 15003936000. Its totient is φ = 4000371216.

The previous prime is 8001420793. The next prime is 8001420811. The reversal of 8001420808 is 8080241008.

It is a self number, because there is not a number n which added to its sum of digits gives 8001420808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77953 + ... + 148591.

It is an arithmetic number, because the mean of its divisors is an integer number (937746000).

Almost surely, 2^8001420808 is an apocalyptic number.

It is an amenable number.

8001420808 is a deficient number, since it is larger than the sum of its proper divisors (7002515192).

8001420808 is a wasteful number, since it uses less digits than its factorization.

8001420808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84804 (or 84800 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 8001420808 is about 89450.6613055488. The cubic root of 8001420808 is about 2000.1183936580.

The spelling of 8001420808 in words is "eight billion, one million, four hundred twenty thousand, eight hundred eight".